Search a number
-
+
1207068480 = 2635519243
BaseRepresentation
bin100011111110010…
…0110011101000000
310010010022102200000
41013330212131000
54433002142410
6315435400000
741624625042
oct10774463500
93103272600
101207068480
1156a3a4462
122982b3000
131630ca907
14b644da92
1570e84dc0
hex47f26740

1207068480 has 504 divisors, whose sum is σ = 4649797152. Its totient is φ = 297851904.

The previous prime is 1207068431. The next prime is 1207068487. The reversal of 1207068480 is 848607021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207068487) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28071339 + ... + 28071381.

It is an arithmetic number, because the mean of its divisors is an integer number (9225788).

It is a vampire number, since it can be written as 1470682080 (with its own digits).

Almost surely, 21207068480 is an apocalyptic number.

1207068480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1207068480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2324898576).

1207068480 is an abundant number, since it is smaller than the sum of its proper divisors (3442728672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1207068480 is an equidigital number, since it uses as much as digits as its factorization.

1207068480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1207068480 is about 34742.8910714120. The cubic root of 1207068480 is about 1064.7409804525.

The spelling of 1207068480 in words is "one billion, two hundred seven million, sixty-eight thousand, four hundred eighty".